Boyar Duma
Boyarskaya Duma
Duma
-1
Section::::History.:Eighteenth century.:Peter the Great (1672–1725).

Russian Empire
20611504
Duma
-1
Section::::History.:Imperial Russia.

Russia
25391
Duma
-1
Section::::Abstract.
Moscow
19004
boyarskaya duma
boyar duma
duma